UC201-8-BLK Oxide Plated Plated Insert 1/2 Bore Bearing wheel hub here are the dimensions of

here are the dimensions of the 6003C3BNLM

and motorized assemblies

Yamaha Rear Axle YFA1 Breeze Moto-4

the NU320 inner diameter is 100mm

Size: 7/8" x 1 7/16" x 49/64" Inch

UC201-8-BLK Oxide Plated Plated Insert 1/2 Bore Bearing wheel hub here are the dimensions ofUC201 8 BLK Oxide Plated Insert Ball Bearing 1 2" inch Inner Diameter UC201 8 BLK Oxide Plated Insert Ball Bearing, bearing is wide inner ring with spherical outer ring, bearing is relubrication groove with oil hole on set screw side, bearing is anti rotation pin on side opposite grease groove, bearing is nylon patched class 3A set screws. UC201 BLK Bearing Oxide Plated Insert Ball Bearing Shaft Diameter: 1 2" inch Dynamic load rating: 12800 N Static